" -----------------------------
" ==== scrooloose/nerdtree ====
" -----------------------------

nnoremap <leader>e :NERDTreeToggle<CR>

" Show line number.
let g:NERDTreeShowlineNumber=1

" Show hide file.
let g:NERDTreeHidden=0

" Show Node model.
let NERDTreeDirArrows=1

" Delete help information at the top
let NERDTreeMinimalUI=1

